package com.lagou.edu.service.impl;


import com.lagou.edu.dao.AccountDao;
import com.lagou.edu.pojo.Account;
import com.lagou.edu.service.TransferService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;


/**
 * @author 应癫
 */
@Service("transferService")
public class TransferServiceImpl implements TransferService {


    /**
     * 获取得到工厂类对象
     */
    @Autowired
    @Qualifier("accountDao")
    private AccountDao accountDao;



    @Override
    public void transfer(String fromCardNo, String toCardNo, int money) throws Exception {
/*
        try{
            // 开启事务(关闭事务的自动提交)
            TransactionManager.getInstance().beginTransaction();*/
            Account from = accountDao.queryAccountByCardNo(fromCardNo);
            Account to = accountDao.queryAccountByCardNo(toCardNo);

            from.setMoney(from.getMoney()-money);
            to.setMoney(to.getMoney()+money);

            accountDao.updateAccountByCardNo(to);
            //int c = 1/0;
            accountDao.updateAccountByCardNo(from);
         /*   // 提交事务
            TransactionManager.getInstance().commit();

        }catch (Exception e){
            e.printStackTrace();
            // 回滚事务
            TransactionManager.getInstance().rollback();
            throw e;
        }*/

    }

}
